Intelligent shoe for the blind

Abstract

Disclosed is an intelligent shoe for the blind, which includes a sole and an upper. At least a portion of the sole is provided with multiple pressure sensors for generating pressure sensing signals when the sole is in contact with raised ground surface. The intelligent shoe further includes a storage chip, used to pre-store a signal characteristic of pressure sensing signals generated when the sole is in contact with a blind sidewalk, and a ata processing chip electrically connected to the multiple pressure sensors and the storage chip, used to compare a signal characteristic of pressure sensing signals from the pressure sensors with the pre-stored signal characteristic, and determine that the sole deviates from the blind sidewalk and send a prompt signal in the case that the signal characteristic of the pressure sensing signals from the pressure sensors is inconsistent with the pre-stored signal characteristic.

What is claimed is: 
     
       1. An intelligent shoe for the blind, comprising a sole and an upper arranged on the sole, wherein at least a portion of the sole is provided with a plurality of pressure sensors configured to generate pressure sensing signals when the sole is in contact with a raised ground surface and corresponding pressure sensors are pressed;
 wherein the intelligent shoe further comprises: 
 a storage chip, configured to pre-store a signal characteristic of pressure sensing signals generated by corresponding pressure sensors when the sole is in contact with a blind sidewalk; and 
 a data processing chip electrically connected to the plurality of pressure sensors and the storage chip, configured to compare a signal characteristic of pressure sensing signals received from the plurality of pressure sensors with the pre-stored signal characteristic, and determine that the sole deviates from the blind sidewalk and send a prompt signal in the case that the signal characteristic of the pressure sensing signals received from the plurality of pressure sensors is inconsistent with the pre-stored signal characteristic. 
 
     
     
       2. The intelligent shoe according to  claim 1 , wherein the data processing chip is further configured to determine that the sole deviates from the blind sidewalk and send a prompt signal, in the case that the intelligent shoe is in use and no pressure sensing signal is received within a predetermined period. 
     
     
       3. The intelligent shoe according to  claim 1 , wherein the storage chip further comprises:
 a first storage sub-chip configured to store a first characteristic, wherein the first characteristic is that a signal distribution pattern of pressure sensing signals comprises one column of combinatorial patterns; 
 a second storage sub-chip configured to store a second characteristic, wherein the second characteristic is that the signal distribution pattern of the pressure sensing signals comprises at least two columns of combinatorial patterns, the at least two columns of combinatorial patterns are parallel, and a distance between two adjacent columns of combinatorial patterns is equal to a distance between two adjacent strip-like bulges on a blind sidewalk indicating the blind to go straight; and 
 a third storage sub-chip configured to store a third characteristic, wherein the third characteristic is that that the signal distribution pattern of the pressure sensing signals comprises a plurality of combinatorial patterns arranged in an array, and a distance between two adjacent combinatorial patterns is equal to a distance between two adjacent dot bulges on a warning blind sidewalk; 
 wherein in the signal distribution pattern, the pressure sensing signals are represented by virtual points, and the virtual points are arranged according to coordinates of respective positions at which the pressure sensing signals are generated. 
 
     
     
       4. The intelligent shoe according to  claim 3 , wherein the data processing chip comprises:
 a position coordinate determining structure, configured to determine the coordinates of the respective positions at which the received pressure sensing signals are generated; 
 a pattern generating structure, configured to generate the signal distribution pattern in a coordinate system according to the coordinates of the respective positions at which the received pressure sensing signals are generated; and 
 a matching structure, configured to compare the signal distribution pattern with the first characteristic, the second characteristic and the third characteristic respectively, determine that the signal characteristic of the pressure sensing signals received from the plurality of pressure sensors is consistent with the pre-stored signal characteristic in the case that at least a part of the signal distribution pattern matches one of the first characteristic, the second characteristic and the third characteristic, and determine that the signal characteristic of the pressure sensing signals received from the plurality of pressure sensors is inconsistent with the pre-stored signal characteristic in the case that at least a part of the signal distribution pattern does not match any of the first characteristic, the second characteristic and the third characteristic. 
 
     
     
       5. The intelligent shoe according to  claim 1 , wherein the plurality of pressure sensors is uniformly arranged on a whole bottom surface of the sole. 
     
     
       6. The intelligent shoe according to  claim 1 , wherein the plurality of pressure sensors is arranged inside the sole and uniformly distributed along a thickness direction of the sole. 
     
     
       7. The intelligent shoe according to  claim 1 , further comprising a vibrator, which is connected to the data processing chip, and configured to receive the prompt signal and vibrate according to the prompt signal for prompting a user that he deviates from the blind sidewalk. 
     
     
       8. The intelligent shoe according to  claim 1 , further comprising a voice player connected to the data processing chip, wherein the voice player is configured to receive the prompt signal and play a voice according to the prompt signal so as to prompt a user that he deviates from the blind sidewalk. 
     
     
       9. The intelligent shoe according to  claim 1 , further comprising a power source and a control switch for turning on and turning off the power source, wherein the upper is provided with the power source and the control switch, and the power source is connected to the storage chip and the data processing chip. 
     
     
       10. The intelligent shoe according to  claim 1 , wherein each of the plurality of pressure sensors is a ceramic pressure sensor.